configure.ac (--enable-stage1-checking): If neither --enable-checking nor --disable-checking is provided also turn on...

2007-09-05  Richard Guenther  <rguenther@suse.de>

	* configure.ac (--enable-stage1-checking): If neither --enable-checking
	nor --disable-checking is provided also turn on yes and types
	checking for stage1.
	* configure: Re-generate.

From-SVN: r128131